Welcome to the 4ward Testing Standards Database.  Here you will find a list of all the standards we have tested.

The tool below will allow you to filter these to quickly find the relevant standards for your business.

Feel free to search numerically for simplicity i.e. 178, include the issuing body titles i.e. iso 178 or by test type i.e. flexural strength

If you can't find your standard listed here please fill in the form here and we will add it for you and send you the link by e-mail.

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    4ward Testing have been involved in providing performance values for our coating products for several years. We have found them to be professional and accommodating in all aspects of quality and expediency. They offer both value and service, giving confidence…

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BS EN ISO 8339

Building construction — Sealants — Determination of tensile properties(Extension to break)

This tests the true strength of the sealant and how well it adheres to the materials if is intended to be used with. The sealants undergo the usual 28 laboratory conditioning and possible dry heat/cool water cycling before being stuck in a tensile machine and pulled apart. The force required and the distance the sealant stretches before breaking is recorded. From the data, either the secant modulus is calculated or the extension at the breaking point and the break assessed. 

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This document was last updated on 09/10/2014

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